C01G 3/12
Sulfides
C01G3/12 (Sulfides) appears on 66 US grants and 72 published applications in this corpus.
Search patents in C01G- Granted patents
- 66
- Published applications
- 72
- Assignees
- 74
- Inventors
- 212
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 5 |
| 2011 | 2 | 4 |
| 2012 | 6 | 5 |
| 2013 | 1 | 0 |
| 2014 | 1 | 6 |
| 2015 | 5 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 7 |
| 2018 | 4 | 4 |
| 2019 | 3 | 2 |
| 2020 | 3 | 7 |
| 2021 | 2 | 3 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 5 | 7 |
| 2025 | 1 | 5 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production method for cobalt sulfate26 May 2026US 12,637,361 B2Sumitomo Metal Mining Co., Ltd.
- β-type zinc sulfide and preparation method therefor12 May 2026US 12,623,916 B2Guangdong Xinda Advanced Materials Technology Co., Ltd
- Method of removing hydrogen peroxide from sulfuric acid5 May 2026US 12,617,681 B2Jingbao Chemical Co., Ltd.
- Method for separating cobalt and nickel17 Mar 2026US 12,577,636 B2Mitsubishi Materials Corporation
- Copper sulfide nanoparticles having core-shell structure included in coating composition for blocking near-infrared light, and preparation method therefor24 Jun 2025US 12,338,350 B2Amte Co., Ltd
- Transparent photothermal compositions, production methods and uses thereof20 Nov 2025US 2025/0353994 A1City University of Hong Kong
- Process of extracting deleterious substances, and product obtained through the process of extracting deleterious substances24 Jul 2025US 2025/0236532 A1Vale S.A.
- Electrode material leaching method and method for separating cobalt and nickel3 Jul 2025US 2025/0215527 A1Mitsubishi Materials Corporation
- Method for processing zinc concentrates5 Jun 2025US 2025/0179611 A1Glencore Technology Pty Limited
- Semiconductor nanoparticle composite film, composite base and device including the same, and method for manufacturing semiconductor nanoparticle composite film3 Apr 2025US 2025/0109022 A1Osaka University
Most cited
By later US patents
- Method of recovering metals from industrial by-products23US 4,572,822 ADowa Mining Co., Ltd. · 1986
- Process for purifying molybdenum trioxide16US 4,525,331 AGTE Products Corporation · 1985
- Process for controlling environmental pollution from steam containing hydrogen sulfide14US 4,202,864 ADeuterium Corporation · 1980
- Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides11US 4,587,110 AMNR Reprossesing, Inc. · 1986
- Recovery of copper sulphide and nickel from solution10US 3,975,189 AFalconbridge Nickel Mines Limited · 1976